Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I've seen in this thread:

|Fewer Letters|More Letters| |-------|---------|---| |HLS|Human Landing System (Artemis)| |SN|(Raptor/Starship) Serial Number|

|Jargon|Definition| |-------|---------|---| |Raptor|Methane-fueled rocket engine under development by SpaceX| |Starlink|SpaceX's world-wide satellite broadband constellation|

^(4 acronyms in this thread; )^(the most compressed thread commented on today)^( has 11 acronyms.)
^([Thread #8567 for this sub, first seen 15th Feb 2023, 12:34]) ^[FAQ] ^([Full list]) ^[Contact] ^([Source code])